TY  - BOOK
AU  - Schall,W.E.
TI  - X-rays: their origin, dosage, and practical application 
U1  - 537.535 
PY  - 1961///
CY  - Bristol
PB  - J. Wright
KW  - X-rays
N1  - Includes index; Sucessor to 'Electro-medical instruments and their management'
ER  -